Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Microstructure and Tensile Performance of Iron-Reinforced Polylactic Acid Composite Manufactured Using Fused Filament Fabrication

Version 1 : Received: 8 January 2024 / Approved: 8 January 2024 / Online: 9 January 2024 (05:19:29 CET)

A peer-reviewed article of this Preprint also exists.

Guessasma, S.; Belhabib, S. Effect of the Printing Angle on the Microstructure and Tensile Performance of Iron-Reinforced Polylactic Acid Composite Manufactured Using Fused Filament Fabrication. J. Manuf. Mater. Process. 2024, 8, 65. Guessasma, S.; Belhabib, S. Effect of the Printing Angle on the Microstructure and Tensile Performance of Iron-Reinforced Polylactic Acid Composite Manufactured Using Fused Filament Fabrication. J. Manuf. Mater. Process. 2024, 8, 65.

Abstract

This research investigates the microstructure and mechanical behaviour of a polylactic acid (PLA)-iron (PLI) composite designed to enable magnetic actuation. Tensile specimens of PLI are produced through Fused Filament Fabrication, incorporating diverse printing angles ranging from 0° to 90°, thereby facilitating the creation of a variety of layups. The microstructure of these 3D-printed composites is analysed using X-ray micro-tomography. Furthermore, the tensile mechanical properties of all composites are evaluated, and the findings are deliberated in relation to the conditions of the printing angle. Additionally, the fractography of broken specimens is examined using Scanning Electron Microscopy. The findings indicate that the printing angle plays a significant role in influencing the tensile properties of the 3D-printed PLI composites, particularly in adjusting mechanical anisotropy. Moreover, an optimal layup of 45°/45° is attained, resulting in an enhanced ranking of the tensile performance. These findings related to 3D-printed PLI composites present a cost-efficient option for manufacturing bio-sourced light-adaptive composites through 3D printing, enabling the generation of intricate magnetic actuation performance.

Keywords

Fused filament fabrication; PLA-iron composite; tensile performance; X-ray micro-tomography

Subject

Engineering, Mechanical Engineering

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